Application Programming Interfaces (API) allow different systems to exchange data securely and automatically, thereby enabling integration, process digitalization, and more efficient service delivery.

In order to enable the systems used by BALTPOOL contractors to efficiently and promptly exchange relevant data stored in BALTPOOL administered information systems — such as the Electronic Trading System of the Biomass Exchange (hereinafter – ETS), the System of Accounting Units for Fuels from Renewable Energy Sources (hereinafter – FRES AU system), and others — and to effectively integrate this data into the contractors’ business processes, BALTPOOL provides its contractors with access to the BALTPOOL API in accordance with the API General Terms of Service.

BALTPOOL offers the following API methods:

As of June 1, 2025, access to the relevant BALTPOOL API is granted and maintained in accordance with the API integration fee set by BALTPOOL and published on this website.

You can find information on how to access and use the relevant API here:

• BALTPOOL API documentation
• FRES AU system API Documentation
• API General Terms of Service

API Access for Biomass Exchange Participants (Registered ETS Users):

To receive your company’s API key, log in to the ETS and complete the Participant Questionnaire. In the sixth step, you will get acquainted with the API usage procedure and mark that you want to receive your company’s API key. You will complete the questionnaire and our representative will contact you shortly.

If you have any further questions, please do not hesitate to contact BALTPOOL’s ETS customer service team by phone +370 5 239 3158 or by email: [email protected].

API access for registered users of other BALTPOOL – administered information systems:

To obtain your company’s API key, please contact the BALTPOOL IT Systems Development Manager at +370 5 239 3157 or via email  [email protected].